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The Vaqueros Formation is a sedimentary geologic unit primarily of Upper Oligocene and Lower Miocene age, which is widespread on the California coast and coastal ranges in approximately the southern half of the state. It is predominantly a medium-grained sandstone unit, deposited in a shallow marine environment.
The Cerutti Mastodon site is a paleontological and possible archeological site in San Diego County, California. In 2017, broken mastodon bones at the site were dated to around 130,700 years ago. The bones were found with cobblestones displaying use-wear and impact marks among the otherwise fine-grain sands.
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The fossils include unique species of fish that had never been found in the area before. The discovery is reshaping views on California geology with the possibility of extinct islands.
This list of fossil sites is a worldwide list of localities known well for the presence of fossils. Some entries in this list are notable for a single, unique find, while others are notable for the large number of fossils found there.
The majority of the Blythe geoglyphs are located 16 miles (26 km) north of Blythe, California, off Highway 95, at the Interstate 10 exit and down several dirt roads for 15.5 miles (24.9 km). An historical marker (No. 101) placed by the California Department of Public Works, Division of Highways, commemorates the site. [14]
Ranger Greg Francek found a trove of fossilized animals and petrified trees more than 5 million years old in an area east of Oakland, California.
Except where underlain by the Sixtymile Formation, the Tapeats Sandstone is the Cambrian geologic formation that is the basal geologic unit of the Tonto Group.Typically, it is also the basal geologic formation of the Phanerozoic strata exposed in the Grand Canyon, Arizona, and parts of northern Arizona, central Arizona, southeast California, southern Nevada, and southeast Utah.